@article {1120,
	title = {On Changing the Past},
	journal = {Organon F},
	volume = {20},
	number = {3},
	year = {2013},
	pages = {377-378},
	type = {State},
	abstract = {We confront two seemingly incompatible positions in regard to the past. One, the modal status of a proposition is unchangeable; and two, that omnipotence is trumped only by necessity.},
	keywords = {Change, modal status, necessity, omnipotence, past},
	url = {http://www.klemens.sav.sk/fiusav/doc/organon/2013/3/377-378.pdf},
	author = {Blum, Alex}
}
